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The standard reduction potential for the...

The standard reduction potential for the half-cell, `NO_(3(aq.))^(-)+2H_((aq.))^(+)+e^(-)rarrNO_(2(g))+2H_(2)O` is `0.78V`.
(i) Calculate the reduction potential in 8M `H^(+)`.
(ii) What will be the reduction potential of the half-cell in a neutral solution. Assume all the other species to be at unit concentration

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Verified by Experts

In neutral solution , `[H^(+)] = 10^(-7) M`
`therefore E = 0.78 - (0.059)/(1) "log" (1)/((10^(-7))^(2))`
`= 0.78 - 0.059 xx 14 = 0.78 - 0.826`
`= -0.046 V`
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